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<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
		p{

		}
		#two{
			color: red;
		}
		.blue{
			color: blue;
		}
		body p span{
			color: green;
		}

		i,b{
			color: yellow;
		}
		*{
			font-size: 30px;
		}
		b:hover{
			color: blue;
		}
		a:visited{
			color: red;
		}
	</style>
</head>
<body>
	<p>
		<span>学并思</span>
	</p>
	<p id="two">学并思2</p>
	<p class="blue">学并思3</p>
	<p class="blue">学并思4</p>
	<p class="blue">学并思5</p>
	<span>学并思</span>
	<i>我是i</i>
	<b>我是b</b>
	<a href="http://www.baidu.com" target="_blank">百度一下</a>

	<p id="order_title"></p>
</body>
</html>